package com.chizha.iot.mqtt.client;

import java.util.concurrent.ScheduledExecutorService;

import org.eclipse.paho.client.mqttv3.MqttClient;
import org.eclipse.paho.client.mqttv3.MqttConnectOptions;
import org.eclipse.paho.client.mqttv3.MqttDeliveryToken;
import org.eclipse.paho.client.mqttv3.MqttException;
import org.eclipse.paho.client.mqttv3.MqttMessage;
import org.eclipse.paho.client.mqttv3.MqttPersistenceException;
import org.eclipse.paho.client.mqttv3.MqttSecurityException;
import org.eclipse.paho.client.mqttv3.MqttTopic;
import org.eclipse.paho.client.mqttv3.persist.MemoryPersistence;

public abstract class StubMQTT extends Thread{
	 public static final String HOST = "tcp://210.77.68.221:10020";

	   private MqttClient client;
	   private MqttConnectOptions options;
	   private String userName = "admin";
	   private String passWord = "qiaojiaoshou123";

	   private ScheduledExecutorService scheduler;

	   protected void initialize(PushCallback callback,String clientid) {
	       try {
	    	   // host为主机名，clientid即连接MQTT的客户端ID，一般以唯一标识符表示，MemoryPersistence设置clientid的保存形式，默认为以内存保存
	           client = new MqttClient(HOST, clientid, new MemoryPersistence());
	           // MQTT的连接设置
	           options = new MqttConnectOptions();
	           // 设置是否清空session,这里如果设置为false表示服务器会保留客户端的连接记录，这里设置为true表示每次连接到服务器都以新的身份连接
	           options.setCleanSession(true);
	           // 设置连接的用户名
	           options.setUserName(userName);
	           // 设置连接的密码
	           options.setPassword(passWord.toCharArray());
	           // 设置超时时间 单位为秒
	           options.setConnectionTimeout(10);
	           // 设置会话心跳时间 单位为秒 服务器会每隔1.5*20秒的时间向客户端发送个消息判断客户端是否在线，但这个方法并没有重连的机制
	           options.setKeepAliveInterval(20);
	           //options.setAutomaticReconnect(true);
	           // 设置回调
	           client.setCallback(callback);
	       } catch (Exception e) {
	           e.printStackTrace();
	       }
	   }
	   
	   public void connect() throws MqttSecurityException, MqttException
	   {
           client.connect(options);
	   }
	   
	   public void sendTopic(String topicname, MqttMessage message) throws MqttPersistenceException,
       MqttException
	   {

           MqttTopic topic = client.getTopic(topicname);
           MqttDeliveryToken token = topic.publish(message);
           token.waitForCompletion();
           //System.out.println("message is published completely! "
           //        + token.isComplete());
	   }
	   
	   public void subscribeTopic(String topicname, int qos) throws MqttSecurityException, MqttException
	   {
		   //订阅消息
           int[] Qos  = {qos};
           String[] topic1 = {topicname};
           client.subscribe(topic1, Qos);
	   }
	   
	   public void subscribeTopics(String[] topicname, int[] qos) throws MqttSecurityException, MqttException
	   {
           //订阅多条消息
          
           client.subscribe(topicname, qos);
	   }
	   protected MqttMessage message;
	
}
